New Delhi, 29 January (NNS): Here, black pepper markara prices held firm at Rs 655 per kg owing to the sluggish buying even after the feeble prices. Recently, the prices have gone down by Rs 10 per kg. The arrivals and the prices remained stable at the same level of the previous day in Kochi, due to this, the market sentiments mat affect. In this situation, the spot black pepper prices will likely to remain sluggish during the coming week.